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Diffstat (limited to 'config/libc/uClibc-ng.in')
| -rw-r--r-- | config/libc/uClibc-ng.in | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/config/libc/uClibc-ng.in b/config/libc/uClibc-ng.in new file mode 100644 index 0000000..705c0d4 --- /dev/null +++ b/config/libc/uClibc-ng.in @@ -0,0 +1,170 @@ +# uClibc options + +## depends on ! WINDOWS && ! BARE_METAL +## +## select LIBC_SUPPORT_THREADS_LT +## select LIBC_SUPPORT_THREADS_NONE +## select LIBC_SUPPORT_THREADS_NATIVE +## select CC_CORE_PASS_1_NEEDED +## +## help The de-facto standard for embeded linux systems. +## help +## help Highly configurable, thus as feature-rich as you +## help need, without compromising for size. + +config THREADS + default "nptl" if THREADS_NATIVE + default "linuxthreads" if THREADS_LT + +if ARCH_FLOAT_SOFTFP +comment "'softfp' ABI and uClibc is not entirely tested in crosstool-NG" +comment "You may experience issues, although it should work just fine" +endif # ARCH_FLOAT_SOFTFP + +choice + bool + prompt "uClibc verbosity:" + default LIBC_UCLIBC_VERBOSITY_0 + +config LIBC_UCLIBC_VERBOSITY_0 + bool + prompt "Quiet build" + help + Print terse command indications. + +config LIBC_UCLIBC_VERBOSITY_1 + bool + prompt "Brief build (show defines, ld flags)" + help + Print simplified command lines. + +config LIBC_UCLIBC_VERBOSITY_2 + bool + prompt "Very verbose build" + help + Print full command lines. + +endchoice + +# uClibc-ng has reverted the meaning of V=1 and V=2 compared to its +# ancestor, uClibc, in order to match kernel's Kbuild settings. +# Hence, for uClibc-ng supply V=2 if "brief build" is selected, +# and so forth. +config LIBC_UCLIBC_VERBOSITY + string + default "" if LIBC_UCLIBC_VERBOSITY_0 + default "V=2" if LIBC_UCLIBC_VERBOSITY_1 + default "V=1" if LIBC_UCLIBC_VERBOSITY_2 + +choice + bool + prompt "Debug level" + default LIBC_UCLIBC_DEBUG_LEVEL_0 + +config LIBC_UCLIBC_DEBUG_LEVEL_0 + bool + prompt "none" + +config LIBC_UCLIBC_DEBUG_LEVEL_1 + bool + prompt "minimal" + +config LIBC_UCLIBC_DEBUG_LEVEL_2 + bool + prompt "normal" + +config LIBC_UCLIBC_DEBUG_LEVEL_3 + bool + prompt "all" + +endchoice + +config LIBC_UCLIBC_DEBUG_LEVEL + int + default 0 if LIBC_UCLIBC_DEBUG_LEVEL_0 + default 1 if LIBC_UCLIBC_DEBUG_LEVEL_1 + default 2 if LIBC_UCLIBC_DEBUG_LEVEL_2 + default 3 if LIBC_UCLIBC_DEBUG_LEVEL_3 + +config LIBC_UCLIBC_CONFIG_FILE + string + prompt "Configuration file" + default "" + help + Path to the configuration file. + + If the file is not provided, we fall back to a default config file. + +config LIBC_UCLIBC_LOCALES + bool + select LIBC_UCLIBC_WCHAR + # Before it became a separate option, libiconv depended on locales + prompt "Add support for locales" + help + Say y if you want uClibc to support localisation. + + Note that seems to be broken on recent uClibc releases. + +config LIBC_UCLIBC_LIBICONV + bool "Enable iconv" + help + Say y if you want to enable <iconv.h> and the corresponding interfaces. + +config LIBC_UCLIBC_IPV6 + bool + prompt "Add support for IPv6" + help + Say y if you want uClibc to support IPv6. + +config LIBC_UCLIBC_WCHAR + bool + prompt "Add support for WCHAR" + help + Say y if you want uClibc to support WCHAR. + + Maybe this is needed, if you're building a C++-Compiler + +config LIBC_UCLIBC_FENV + bool + prompt "Add support for fenv.h" + default y if ARCH_X86 + help + fenv.h provides functions to control the floating point environment, + such as rounding mode, exceptions... + + For some architectures, fenv.h is incomplete, so is not installed + by default. x86 is known to have a rather complete fenv.h, so it is + installed by default only for x86. + + If you need fenv.h on other architectures, say 'y' here, but you may + encounter some issues. + +config LIBC_UCLIBC_HAS_SSP + bool + prompt "Support stack smashing protection (SSP)" + default y + help + Enable support for building programs with -fstack-protector family + of options. If this option is disabled, one can also use a standalone + libssp library from GCC. + +config LIBC_UCLIBC_BUILD_SSP + bool + prompt "Build uClibc with SSP" + depends on LIBC_UCLIBC_HAS_SSP + help + Build uClibc with -fstack-protector. This adds runtime overhead + to many function calls and is disabled by default. + +if ARCH_ARM +config LIBC_UCLIBC_USE_GNU_SUFFIX + bool + default y + prompt "Use -uclibcgnueabi suffix" + help + Depending on where the resulting toolchain will be used, you may need + to tweak the "system" part of the target tuple. Buildroot prefers + to have arm-*-linux-uclibcgnueabi; OpenEmbedded prefers + arm-*-linux-uclibceabi. Other tools seem to either accept both, or + don't care about the suffix. +endif |